import re,pyjquery
from selenium import webdriver
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

browser=webdriver.Chrome()
wait = WebDriverWait(browser, 10)
def search():
    try:
        browser.get("https://www.taobao.com")
        input = WebDriverWait(browser, 10).until(EC.presence_of_element_located((By.CSS_SELECTOR, "#q")))
        submit = WebDriverWait(browser, 10).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "#J_TSearchForm > div.search-button > button")))
        input.send_keys("美食")
        submit.click()
        total = wait.until(
            EC.presence_of_element_located((By.CSS_SELECTOR, "#mainsrp-pager > div > div > div > div.total")))
        return total.text
    except TimeoutException:
        search()
def next_page(page_number):
    try:
        input = wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, "#mainsrp-pager > div > div > div > div.form > input")))
        submit = wait.until(EC.element_to_be_clickable((By.CSS_SELECTOR, "#mainsrp-pager > div > div > div > div.form > span.btn.J_Submit")))
        input.clear()
        input.send_keys(page_number)
        submit.click()
        wait.until(EC.text_to_be_present_in_element((By.CSS_SELECTOR,'#mainsrp-pager > div > div > div > ul > li.item.active > span'),str(page_number)))

    except TimeoutException:
        next_page(page_number)


def get_products():
    wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'#mainsrp-itemlist .items .item')))
    html = browser.page_source
    doc = pq(html)
    items = doc('#mainsrp-itemlist .items .item').items()
    for item in items:
        product = {
                'price': item.find('.price').text(),  # 价格
                'image': item.find('.pic .img').attr('src'),  # 图片
                'deal': item.find('.deal-cnt').text()[:-3],  # 成交数，去掉末尾的“人付款”
                'title': item.find('.title').text(),  #标题
                'location': item.find('.location').text(),  #地点
                'shop': item.find('.shop').text()  #店名
        }
        print(product)
def main():
    total = search()
    for i in range(1, total + 1):
        next_page(i)

if __name__ == '__main__':
    main()